(a)
Interpretation:
Bond-line structure of given set of peptides need to be drawn.
Concept introduction:
Bond-line structure is the representation of organic structural formulas in a shorthand manner. In this case only the bond between carbon and other atoms are shown except hydrogen. It is understood that all the remaining valency to be filled by hydrogen. Apart from carbon atoms the other atoms are shown along with hydrogen. For drawing a peptide sequence in bond-line structure the steps need to be followed are,
- Draw the peptide with correct number of residues
- The side chain associated with the residue has to be identified
- Assign proper configuration for the residues
To draw: bond-line structure of peptide Leu-Ala-Gly
(b)
Interpretation:
Bond-line structure of given set of peptides need to be drawn.
Concept introduction:
Bond-line structure is the representation of organic structural formulas in a shorthand manner. In this case only the bond between carbon and other atoms are shown except hydrogen. It is understood that all the remaining valency to be filled by hydrogen. Apart from carbon atoms the other atoms are shown along with hydrogen. For drawing a peptide sequence in bond-line structure the steps need to be followed are,
- Draw the peptide with correct number of residues
- The side chain associated with the residue has to be identified
- Assign proper configuration for the residues
To draw: bond-line structure of peptide Cys-Asp-Ala-Gly
(c)
Interpretation:
Bond-line structure of given set of peptides need to be drawn.
Concept introduction:
Bond-line structure is the representation of organic structural formulas in a shorthand manner. In this case only the bond between carbon and other atoms are shown except hydrogen. It is understood that all the remaining valency to be filled by hydrogen. Apart from carbon atoms the other atoms are shown along with hydrogen. For drawing a peptide sequence in bond-line structure the steps need to be followed are,
- Draw the peptide with correct number of residues
- The side chain associated with the residue has to be identified
- Assign proper configuration for the residues
To draw: bond-line structure of peptide Met-Lys-His-Tyr-Ser-Phe-Val
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Chapter 25 Solutions
ORGANIC CHEM PRINT STUDY GDE & SSM
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- 3. Use Kapustinskii's equation and data from Table 4.10 in your textbook to calculate lattice energies of Cu(OH)2 and CuCO3 (4 points)arrow_forward2. Copper (II) oxide crystalizes in monoclinic unit cell (included below; blue spheres 2+ represent Cu²+, red - O²-). Use Kapustinski's equation (4.5) to calculate lattice energy for CuO. You will need some data from Resource section of your textbook (p.901). (4 points) CuOarrow_forwardWhat is the IUPAC name of the following compound? OH (2S, 4R)-4-chloropentan-2-ol O (2R, 4R)-4-chloropentan-2-ol O (2R, 4S)-4-chloropentan-2-ol O(2S, 4S)-4-chloropentan-2-olarrow_forward
- Use the reaction coordinate diagram to answer the below questions. Type your answers into the answer box for each question. (Watch your spelling) Energy A B C D Reaction coordinate E A) Is the reaction step going from D to F endothermic or exothermic? A F G B) Does point D represent a reactant, product, intermediate or transition state? A/ C) Which step (step 1 or step 2) is the rate determining step? Aarrow_forward1. Using radii from Resource section 1 (p.901) and Born-Lande equation, calculate the lattice energy for PbS, which crystallizes in the NaCl structure. Then, use the Born-Haber cycle to obtain the value of lattice energy for PbS. You will need the following data following data: AH Pb(g) = 196 kJ/mol; AHƒ PbS = −98 kJ/mol; electron affinities for S(g)→S¯(g) is -201 kJ/mol; S¯(g) (g) is 640kJ/mol. Ionization energies for Pb are listed in Resource section 2, p.903. Remember that enthalpies of formation are calculated beginning with the elements in their standard states (S8 for sulfur). The formation of S2, AHF: S2 (g) = 535 kJ/mol. Compare the two values, and explain the difference. (8 points)arrow_forwardIn the answer box, type the number of maximum stereoisomers possible for the following compound. A H H COH OH = H C Br H.C OH CHarrow_forward
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